[INFO] cloning repository https://github.com/baoziv587/LoxLang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/baoziv587/LoxLang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaoziv587%2FLoxLang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaoziv587%2FLoxLang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c5f72cf61fa1d6b4fc5cc4f69385090c8930202d [INFO] checking baoziv587/LoxLang against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaoziv587%2FLoxLang" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/baoziv587/LoxLang on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/baoziv587/LoxLang [INFO] finished tweaking git repo https://github.com/baoziv587/LoxLang [INFO] tweaked toml for git repo https://github.com/baoziv587/LoxLang written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/baoziv587/LoxLang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] af89386e1d648a45171a0f0eea59a5af0e1d0d8bddfa0bbbee1bb74e413c1b16 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "af89386e1d648a45171a0f0eea59a5af0e1d0d8bddfa0bbbee1bb74e413c1b16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "af89386e1d648a45171a0f0eea59a5af0e1d0d8bddfa0bbbee1bb74e413c1b16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af89386e1d648a45171a0f0eea59a5af0e1d0d8bddfa0bbbee1bb74e413c1b16", kill_on_drop: false }` [INFO] [stdout] af89386e1d648a45171a0f0eea59a5af0e1d0d8bddfa0bbbee1bb74e413c1b16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6ae33d83cf89a8950f185b47bd295362eb24a55763d0cf18749b9fd38d9e8e71 [INFO] running `Command { std: "docker" "start" "-a" "6ae33d83cf89a8950f185b47bd295362eb24a55763d0cf18749b9fd38d9e8e71", kill_on_drop: false }` [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking regex-syntax v0.6.7 [INFO] [stderr] Checking env_logger v0.6.1 [INFO] [stderr] Checking lox v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking pretty_env_logger v0.3.0 [INFO] [stdout] warning: unused import: `core` [INFO] [stdout] --> src/cli/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/frontend/scanner.rs:260:5 [INFO] [stdout] | [INFO] [stdout] 260 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/frontend/scanner.rs:261:5 [INFO] [stdout] | [INFO] [stdout] 261 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:73:32 [INFO] [stdout] | [INFO] [stdout] 73 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/result.rs:65:35 [INFO] [stdout] | [INFO] [stdout] 65 | Error::IO(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/result.rs:75:35 [INFO] [stdout] | [INFO] [stdout] 75 | Error::IO(ref e) => e.cause(), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/core/lox.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | fn run(source: &str) {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core` [INFO] [stdout] --> src/cli/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:73:32 [INFO] [stdout] | [INFO] [stdout] 73 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/frontend/scanner.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 142 | let content = self.slice(start, end); [INFO] [stdout] | ---- immutable borrow occurs here [INFO] [stdout] 143 | self.create_token( [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 146 | content.to_string(), [INFO] [stdout] | ------- immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/frontend/scanner.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 177 | let value = self.slice(self.start, self.current); [INFO] [stdout] | ---- immutable borrow occurs here [INFO] [stdout] 178 | self.create_token( [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 181 | value.to_string(), [INFO] [stdout] | ----- immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lox` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/result.rs:65:35 [INFO] [stdout] | [INFO] [stdout] 65 | Error::IO(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/result.rs:75:35 [INFO] [stdout] | [INFO] [stdout] 75 | Error::IO(ref e) => e.cause(), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/core/lox.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | fn run(source: &str) {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/frontend/scanner.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 142 | let content = self.slice(start, end); [INFO] [stdout] | ---- immutable borrow occurs here [INFO] [stdout] 143 | self.create_token( [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 146 | content.to_string(), [INFO] [stdout] | ------- immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/frontend/scanner.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 177 | let value = self.slice(self.start, self.current); [INFO] [stdout] | ---- immutable borrow occurs here [INFO] [stdout] 178 | self.create_token( [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 181 | value.to_string(), [INFO] [stdout] | ----- immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6ae33d83cf89a8950f185b47bd295362eb24a55763d0cf18749b9fd38d9e8e71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ae33d83cf89a8950f185b47bd295362eb24a55763d0cf18749b9fd38d9e8e71", kill_on_drop: false }` [INFO] [stdout] 6ae33d83cf89a8950f185b47bd295362eb24a55763d0cf18749b9fd38d9e8e71